large cpu use irq9 HP G1

Tasks: 449 total,   3 running, 445 sleeping,   0 stopped,   1 zombie
%Cpu0  :  0.3 us, 61.8 sy,  0.0 ni, 37.8 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu1  :  1.1 us, 54.7 sy,  0.0 ni, 44.2 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu2  :  3.0 us,  0.7 sy,  0.0 ni, 96.3 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu3  :  2.7 us,  1.3 sy,  0.0 ni, 96.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :   7851.0 total,   2664.7 free,   2395.0 used,   2791.3 buff/cache
MiB Swap:      0.0 total,      0.0 free,      0.0 used.   4585.7 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
 5637 root      20   0    0.0m   0.0m   0.0m R  60.9   0.0   2:08.65 kworker/0:1+kacpid
  139 root     -51   0    0.0m   0.0m   0.0m R  53.0   0.0   7:47.38 irq/9-acpi